Multiple Instances of Tomcat

I am currently facing a weird problem it is as follows.

Scenario-

I have two instance of tomcat 6.0 running on my machine

I am making a call from one instance to another via Service calls.

There are few system.out.println() calls on the 2nd server just to check whether the call was reached or not.

Problem - As soon as I have the 2nd instance running and there is a call from 1st instance I cannot see any output on the Tomcat Console.

tried changing swallowOut = true / false.

Nothing works does anyone knows what m开发者_如何学编程ight the problem be.

Thanks

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Any suspision messages in log files? Like incorrect port binding (tomcat typically use 3 ports for different connections. Each instance must have own unique ports.).